Datasheet > HA3905-CLB

HA3905-CLB

更新时间： 2024-02-11 18:16:50

品牌	Logo	应用领域
线艺 - COILCRAFT		变压器
页数	文件大小	规格书
1页	137K
描述
SMPS Transformer, ROHS COMPLIANT

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HA3905-CLB 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	ROHS COMPLIANT
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.6	其他特性：	TURNS RATIO: 3.75:1
高度：	12.7 mm	最大输入电压：	57 V
最小输入电压：	37 V	长度：	13.46 mm
安装特点：	SURFACE MOUNT	初级绕组数量：	3
次级绕组数量：	2	最大工作频率：	200 kHz
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出电压 1：	12 V	输出电压2：	5 V
包装方法：	TAPE & REEL	物理尺寸：	13.46mm X 13.0mm X 12.7mm
初级电感：	27000 µH	表面贴装：	YES
端子面层：	Tin/Silver - Tin - with Nickel barrier	变压器类型：	SMPS TRANSFORMER
宽度：	13 mm	Base Number Matches：	1

HA3905-CLB 数据手册

Document 729

For Microsemi

Flyback Transformer PoE PD Power Supply

•ꢀ Developedꢀ forꢀ useꢀ withꢀ Microsemiꢀ UC3844ꢀ Currentꢀ Modeꢀ

Controller and LX1752 Buck Regulator

•ꢀ 1500ꢀVrms,ꢀoneꢀminuteꢀisolationꢀfromꢀprimary,ꢀauxiliaryꢀandꢀ

reset to secondary;500Vrms from primary and reset to auxiliary

•ꢀ Designedꢀforꢀ36ꢀVꢀ–ꢀ57ꢀVꢀinput;ꢀ200ꢀkHz

Core material Ferrite

Terminations RoHS tin-silver over tin over nickel over phos bronze.

Other terminations available at additional cost.

Weight 6.7 g

Ambient temperature –40°C to +85°C

Storage temperature Component: –40°C to +85°C.

Tape and reel packaging: –40°C to +80°C

Resistance to soldering heat Max three 40 second reﬂows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level ꢁMSLH 1 (unlimited ﬂoor life at <30°C /

85% relative humidity)

Mean Time Between Failures ꢁMTBFH 26,315,789 hours

Packaging 175 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick,

28 mm pocket spacing, 12.93 mm pocket depth

PCB washing Only pure water or alcohol recommended

Part

L at 0 A²

±±0ꢀ ꢁ(µH

L at Ipk³

min ꢁ(µH

Input

voltage ꢁVH

DCR max

ꢁOhmsH

Leakage L⁴

max ꢁ(µH

Turns

ratios

Ipk³

ꢁAH

number¹

Outputs⁵

HA3905-CL_

27.0

24.3

37 –57

0.170 (pri)

1.9

3.75:1 (pri:sec )

1.36:1 (pri:aux)

1:1 (pri:reset)

1.2

5 V, 2.5 A (sec)

12 V, 20 mA (aux)

0.015 (sec)

0.385 (aux)

0.371 (reset)

1. When ordering, please specify packaging code:

µA3905-CLD

2. Inductance is for the primary, measured at 250 kHz, 0.1 Vrms, 0 Adc.

3. Ipk is peak primary current drawn at minimum input voltage.

4. Leakage inductance measured on the primary winding with all second-

ary pins shorted.

5. Output of the seconday is with the windings connected in parallel.

6. Electrical speciﬁcations at 25°C.

Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic

tape (175 parts per full reel).

B = Less than full reel. In tape, but not machine ready.

To have a leader and trailer added ($25 charge), use

code letter D instead.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Dot above pin1

Pri

Sec

0.500

12,70

max

Reset

0.004/0,10

0.039

1,00

0.699

17,75

max

Aux

0.050

1,27

0.028

0,70

0.512

13,00

0.080

2,03

0.590

14,99

Secondary windings to be connected

in parallel on the PC board

0.530

13,46

Recommended

Land Pattern

max

0.098

2,50

0.098

2,50

inches

Dimensions are in

Document 729 Revised 08/13/09

US +1-847-639-6400 sales@coilcraft.com

UK +44-1236-730595 sales@coilcraft-europe.com

Taiwan +886-2-2264 3646 sales@coilcraft.com.tw

China +86-21-6218 8074 sales@coilcraft.com.cn

Singapore + 65-6484 8412 sales@coilcraft.com.sg

This product may not be used in medical of high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check out web site for latest information.

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